When you ingest something, you swallow it or otherwise consume it. If you don't ingest enough iron, you'll feel tired and weak and you'll look pale.

Trees ingest carbon dioxide, and humans ingest the oxygen that trees in turn produce. We also ingest a lot of other things, like French fries, ice cream, and root beer. You can also use this word to mean "take in information," like when you ingest the details of your history book. Ingest has a Latin root, ingestus, "poured in," from in-, "into," and gerere, "to carry."

Definitions of ingest
  1. verb
    serve oneself to, or consume regularly
    synonyms: consume, have, take, take in
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    abstain, desist, refrain
    choose not to partake in or consume
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    consume to excess
    cannibalise, cannibalize
    eat human flesh
    habituate, use
    take or consume (regularly or habitually)
    eat a meal; take a meal
    take in solid food
    drink, imbibe
    take in liquids
    booze, drink, fuddle
    consume alcohol
    partake, touch
    eat, feed
    take in food; used of animals only
    fill, replete, sate, satiate
    fill to satisfaction
    sample, taste, try, try out
    take a sample of
    sop up, suck in, take in, take up
    take up as if with a sponge
    inhale and exhale smoke from cigarettes, cigars, pipes
    do drugs, drug
    use recreational drugs
    get down, swallow
    pass through the esophagus as part of eating or drinking
    take solid or liquid food into the mouth a little at a time either by drinking or by eating with a spoon
    take away, take out
    buy and consume food from a restaurant or establishment that sells prepared food
    take in nourishment
    wash down
    eat food accompanied by lots of liquid; also use metaphorically
    dine in, eat in
    eat at home
    dine out, eat out
    eat at a restaurant or at somebody else's home
    have supper; eat dinner
    eat alfresco, in the open air
    take in solid food
    fress, gluttonise, gluttonize
    eat a lot and without restraint
    wolf, wolf down
    eat hastily
    eat or drink noisily
    swill, swill down
    drink large quantities of (liquid, especially alcoholic drink)
    draw into the mouth by creating a practical vacuum in the mouth
    guggle, gurgle
    drink from a flask with a gurgling sound
    drink in sips
    drink greedily or as if with great thirst
    lap, lap up, lick
    take up with the tongue
    consume excessive amounts of alcohol
    drink port
    drink claret
    bar hop, pub-crawl
    go from one pub to the next and get progressively more drunk
    bib, tipple
    drink moderately but regularly
    drink, tope
    drink excessive amounts of alcohol; be an alcoholic
    break bread
    have a meal, usually with company
    partake of the Holy Eucharist sacrament
    eat well
    dig in, pitch in
    eat heartily
    nosh, snack
    eat a snack; eat lightly
    peck, peck at, pick at
    eat like a bird
    peck, pick up
    eat by pecking at, like a bird
    bolt, gobble
    eat hastily without proper chewing
    bolt down, garbage down, gobble up, shovel in
    eat a large amount of food quickly
    nibble, pick, piece
    eat intermittently; take small bites of
    chew the cuds
    drain the cup, drink up
    drink to the last drop
    eat in a mess hall
    lodge and take meals (at)
    wander and feed
    feed greedily
    take the midday meal
    eat a meal in the late morning
    eat an early morning meal
    banquet, feast, junket
    partake in a feast or banquet
    suck milk from the mother's breasts
    hit it up, inebriate, soak, souse
    become drunk or drink excessively
    drink wine
    dip, dunk
    dip into a liquid while eating
    binge, englut, engorge, glut, gorge, gormandise, gormandize, gourmandize, ingurgitate, overeat, overgorge, overindulge, pig out, satiate, scarf out, stuff
    overeat or eat immodestly; make a pig of oneself
    cloy, pall
    cause surfeit through excess though initially pleasing
    taste with relish
    devour, guttle, pig, raven, scarf
    eat greedily
    eat up, finish, polish off
    finish eating all the food on one's plate or on the table
    consume, devour, down, go through
    eat immoderately
    smoke one cigarette after another; light one cigarette from the preceding one
    puff, whiff
    smoke and exhale strongly
    draw deep into the lungs by breathing
    take by injection
    snort, take a hit
    inhale through the nose
    base, free-base
    use (purified cocaine) by burning it and inhaling the fumes
    take (a drug, especially LSD), by mouth
    take drugs to improve one's athletic performance
    gulp, quaff, swig
    to swallow hurriedly or greedily or in one draught
    belt down, bolt down, down, drink down, kill, pop, pour down, toss off
    drink down entirely
    swallow hastily
    fill, fill up
    eat until one is sated
    carry, hold
    drink alcohol without showing ill effects
    browse, crop, graze, pasture, range
    feed as in a meadow or pasture
  2. verb
    take up mentally
    synonyms: absorb, assimilate, take in
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    receive into the mind and retain
    type of:
    acquire, larn, learn
    gain knowledge or skills
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